.title {
  background: #79f29d;
}
body {
  background-color: #f4f5f7;
}
.animateR {
  width: 100px;
  height: 200px;
  background-color: red;
}
.animateBg {
  width: 100px;
  height: 200px;
  background-color: greenyellow;
  animation: animateBg 2s linear infinite;
  box-shadow: 0px 0px 10px greenyellow,0px 0px 30px greenyellow,
  0px 0px 60px greenyellow
  ;
  border-radius: 30px;
}
@keyframes animateBg {
  0% {
    filter: hue-rotate(0deg);
  }
  100% {
    filter: hue-rotate(360deg);
  }
}
